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Chapter 5 Installing the Tracer MP581 programmable controller
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BAS-APG001-EN
Wiring inputs and outputs
The Tracer MP581 enclosure is designed to simplify the wiring and con-
figuration of inputs and outputs by providing a large space for routing 
wires and by eliminating the need to manipulate jumpers. Table 16 lists 
Tracer MP581 inputs and outputs.
Input/output wiring guidelines
Input/output wiring must meet the following guidelines:
Wiring must conform with the National Electrical Code and local elec-
trical codes.
Use only 18 AWG twisted-pair wire with stranded, tinned-copper con-
ductors. 
Binary input/output wires must not exceed 1,000 ft (300 m).
Analog input wires must not exceed 300 ft (100 m) for thermistors 
and 0–10 Vdc inputs and 1,000 ft (300 m) for 0–20 mA inputs.
Analog output wires must not exceed 1,000 ft (300 m) for 0–10 Vdc 
outputs and 0–20 mA outputs.
Do not run input/output wires in the same wire bundle with high-
voltage power wires. Running input/output wires with 24 Vac power 
wires is acceptable, but the input wire must be shielded.
Terminate input/output wires before installing the main circuit board 
(see “Installing the circuit board” on page 76).
Table 16.  Inputs and outputs
Type
Number
Description
Universal inputs
12
Dry-contact binary, thermistor, 
 
0–20  mA, 0–10 Vdc, linear resistance. 
The first four inputs can be used 
directly with resistance temperature 
detectors (RTDs).
Static pressure 
input
1
Differential pressure sensor, 5 Vdc, 
 
0–5 in. wc
Binary outputs
6
Powered relay contacts, 6 VA at 24 Vac
Analog outputs
6
0–10 Vdc or 0–20 mA